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Head and Neck Anatomy Midterm > Deep Face 2 > Flashcards

Deep Face 2 Flashcards

1
Q

What are the muscles of mastication?

A

Masseter, temporalis, lateral and medial pterygoid

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2
Q

Temporalis muscle: What is the action of Anterior and medial fascicles?

A

elevate jaw

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3
Q

Temporalis muscle: What is the action of posterior fascicles ?

A

retract jaw

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4
Q

What muscle is innervated by the Anterior and Posterior Deep Temporal Nerves, branches from Mandibular Div. of Trigeminal, V3

A

Temporalis

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5
Q

_____ separates masseter from buccinator.

A

Buccal fat pad

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6
Q

Strong elevator of the jaw, mighty _____

A

masseter

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7
Q

Masseter: Innervated by the Masseter branch from the stem of the _____ Division of Trigeminal Nerve

A

Mandibular

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8
Q

Superior head of the Lateral Pterygoid Muscle arises from _____ of sphenoid bone
and inserts mainly into articular capsule and disc of TMJ

A

infratemporal crest

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9
Q

Inferior head of the Medial Pterygoid Muscle arises from lateral surface of _____
and inserts into condylar process of mandible, pterygoid fovea

A

lateral pterygoid plate

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10
Q

Action of lateral pterygoid muscle?

A

Open the jaw by pulling condyle and articular disc forward

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11
Q

Medial Pterygoid Muscle is Deep to Lat. Pterygoid; runs parallel to _____

A

Masseter

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12
Q

Deep head of Medial Pterygoid Muscle ORIGINATES deep from the medial surface of the _____ plate.

A

lateral pterygoid

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13
Q

Superficial head of Medial Pterygoid Muscle ORIGINATES Superficial from the tuberosity of the _____

A

maxilla

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14
Q

Medial Pterygoid Muscle Inserts onto the mandible near the _____, interior side

A

angle

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15
Q

Medial Pterygoid Muscle:
• Functions to elevate and _____ the mandible
• Works also to _____ food

A

protrude; “grind”

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16
Q

Both _____ and _____attach to angle of the

mandible, forming masseteric (mandibular) sling, or “hammock”

A

masseter; medial pterygoid

17
Q

Articular tubercle of the temporal bone: _____ limit of the TMJ.

A

anterior

18
Q

Mandibular Fossa of the temporal bone: receives _____ of the mandible to create the TMJ.

A

head

19
Q

Postglenoid tubercle of the temporal bone: _____ limit of the TMJ.

A

posterior

20
Q

_____ process of the mandible: with its neck and head.

A

Condyloid

21
Q

TMJ Articular Disc is Biconcave, made of

_____.

A

fibrocartilage

22
Q

TMJ is Associated with _____ and _____ of mouth

Elevation/depression

A

opening and closing

23
Q

Condyles of mandible rotates on articular disc about _____ axes through mandibular condyles

A

transverse

24
Q

TMJ Articular disc glides anteriorly and posteriorly along temporal bone between mandibular fossa and _____ tubercle

A

articular

25
Q

Movements at the TMJ: Elevation/depression is in _____ compartment

A

inframeniscal

26
Q

Movements at the TMJ: Protrusion/retraction is in _____ compartment

A

suprameniscal

27
Q

The _____ membrane of the TMJ joint capsule encloses the temporomandibular joint complex, and is attached to the articular disc

A

fibrous

28
Q

The Ligaments of the TMJ function to help _____ the movement of the joint, but they DO NOT _____ it or prevent excessive movement due to force

A

limit; stabilize

29
Q

Temporomandibular ligament (lateral ligament) of TMJ:
• _____ part of the joint capsule
• Runs from lateral _____ process, anterior to articular capsule,
to mandibular neck
• Strengthens the TMJ _____
• Together with _____ tubercle, prevents posterior dislocation of the joint

A
  • Thick
  • zygomatic
  • laterally
  • postglenoid
30
Q

Stylomandibular ligament of TMJ:
• Thickening of the _____ membrane of the parotid gland
• Posterior to joint; from tip of _____ process to angle of mandible

A

fibrous; styloid

31
Q

Sphenomandibular ligament of TMJ:
• Medial to joint; from spine of sphenoid bone to _____ of mandible
• Passive support of the mandible

A

-lingula

32
Q

-bruxism (grinding of teeth)
-holding tension in face and jaw
-tooth loss
-trigger points in muscles of mastication
-whiplash
-systemic disease
-neck dysfunction
-neck muscle trigger points
(THESE ARE CAUSES OF WHAT?)

A

TMJ

33
Q

-headache
-face pain, scalp pain
-ear pain
-vertigo, ringing in ears, itchy ears
-jaw pain
-clicking, popping, locking of jaw
-teeth pain
-sinus pain
(THESE ARE SYMPTOMS OF WHAT?)

A

TMJ

Head and Neck Anatomy Midterm (5 decks)

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